/// <summary> /// 根据Pid更新一条数据Pmachine,Plock,Pdate /// </summary> public bool UpdateMachine(LearnSite.Model.Computers model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Computers set "); strSql.Append("Pmachine=@Pmachine,"); strSql.Append("Plock=@Plock,"); strSql.Append("Pdate=@Pdate"); strSql.Append(" where Pid=@Pid"); SqlParameter[] parameters = { new SqlParameter("@Pid", SqlDbType.Int, 4), new SqlParameter("@Pmachine", SqlDbType.NVarChar, 50), new SqlParameter("@Plock", SqlDbType.Bit, 1), new SqlParameter("@Pdate", SqlDbType.DateTime) }; parameters[0].Value = model.Pid; parameters[1].Value = model.Pmachine; parameters[2].Value = model.Plock; parameters[3].Value = model.Pdate; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(LearnSite.Model.Computers model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Computers("); strSql.Append("Pip,Pmachine,Plock,Pdate)"); strSql.Append(" values ("); strSql.Append("@Pip,@Pmachine,@Plock,@Pdate)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@Pip", SqlDbType.NVarChar, 50), new SqlParameter("@Pmachine", SqlDbType.NVarChar, 50), new SqlParameter("@Plock", SqlDbType.Bit, 1), new SqlParameter("@Pdate", SqlDbType.DateTime) }; parameters[0].Value = model.Pip; parameters[1].Value = model.Pmachine; parameters[2].Value = model.Plock; parameters[3].Value = model.Pdate; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 根据Pip得到一个对象实体 /// </summary> public LearnSite.Model.Computers GetModelByIp(string Pip) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Pid,Pip,Pmachine,Plock,Pdate from Computers "); strSql.Append(" where Pip=@Pip"); SqlParameter[] parameters = { new SqlParameter("@Pip", SqlDbType.NVarChar, 50) }; parameters[0].Value = Pip; LearnSite.Model.Computers model = new LearnSite.Model.Computers(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["Pid"].ToString() != "") { model.Pid = int.Parse(ds.Tables[0].Rows[0]["Pid"].ToString()); } model.Pip = ds.Tables[0].Rows[0]["Pip"].ToString(); model.Pmachine = ds.Tables[0].Rows[0]["Pmachine"].ToString(); if (ds.Tables[0].Rows[0]["Plock"].ToString() != "") { if ((ds.Tables[0].Rows[0]["Plock"].ToString() == "1") || (ds.Tables[0].Rows[0]["Plock"].ToString().ToLower() == "true")) { model.Plock = true; } else { model.Plock = false; } } if (ds.Tables[0].Rows[0]["Pdate"].ToString() != "") { model.Pdate = DateTime.Parse(ds.Tables[0].Rows[0]["Pdate"].ToString()); } return(model); } else { return(null); } }